package com.mall.concurrency.example.atomic;

import com.mall.concurrency.annoations.ThreadSafe;
import lombok.Getter;
import lombok.extern.slf4j.Slf4j;

import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;
import java.util.concurrent.atomic.AtomicReference;

@Slf4j
@ThreadSafe
public class AtomicExample5 {
    private static AtomicIntegerFieldUpdater<AtomicExample5> updater =
          AtomicIntegerFieldUpdater.newUpdater(AtomicExample5.class,"count");
    @Getter
    private volatile int count=100;
    private static AtomicExample5 example5 = new AtomicExample5();
    public static void main(String[] args) {
        if(updater.compareAndSet(example5,100,120)){
            log.info("update success, {}",example5.getCount());
        }
        if(updater.compareAndSet(example5,100,120)){
            log.info("update success, {}",example5.getCount());
        }else {
            log.info("update fail, {}",example5.getCount());

        }
    }
}
